Detection platform

Abstract

The utility model discloses a detection platform, which belongs to the technical field of vehicle brake performance detection, and comprises a detection bottom shell, a device bottom plate, a device base and a protective cover, a ball screw is driven to rotate through a driving motor, so that a movable limiting plate can drive a supporting base to move; according to the detection platform, the two detection rollers are arranged, so that the two supporting rods drive the first supporting shaft and the second supporting shaft to move respectively, the first rotating supporting plate and the second rotating supporting plate rotate respectively, the distance between the two detection rollers can be changed, and therefore the detection platform can effectively detect automobiles with different wheel diameters; the driving motor rotates reversely, so that the ball screw can rotate reversely, the movable limiting plate returns to the original position, the supporting base is not limited any more, the detection roller is driven to descend under the gravity of the automobile, the wheels of the automobile make direct contact with the platform plate, the automobile can be directly driven away, and the detection platform can drive away the automobile without a lifting mechanism.

Description

Technical Field

[0001] The utility model relates to a detection platform and belongs to the technical field of vehicle braking performance detection. Background Art

[0002] When testing the braking performance of a car, it is important to test the parking brake performance and the driving brake performance. At present, there are two main types of known methods for testing the braking performance of a car: one is to use a road testing method, in which the car reaches a certain speed on an actual road, and the braking distance or braking deceleration of the car is directly obtained through the braking operation of the car on the actual road to evaluate the braking performance of the car; the other is to use an indoor testing platform testing method to measure the braking performance parameters of the car, and use the braking performance parameters to evaluate the braking performance of the car.

[0003] After searching Chinese patent CN218937780U, an auxiliary device for vehicle braking performance detection is disclosed. The auxiliary device for vehicle braking performance detection includes: a detection platform, a mounting groove is provided on the top of the detection platform, two cleaning mechanisms are arranged in the mounting groove, the cleaning mechanism includes a detection roller, a groove and a cylinder, the detection roller is rotatably installed in the mounting groove, the groove is provided on one side of the inner wall of the mounting groove, the cylinder is fixedly installed on one side of the inner wall of the groove, and two receiving mechanisms and a lifting mechanism are arranged in the mounting groove. The utility model sets a cleaning mechanism so that the starting cylinder pushes the fixed plate to move on the fixed rod through the moving block, so that the cleaning block approaches the detection roller, and the rotating handle is turned to drive the detection roller to rotate, so that the cleaning block cleans the detection roller, which has the advantages of facilitating the cleaning of gravel on the detection roller and improving the accuracy of vehicle braking performance detection.

[0004] However, the spacing of the detection rollers in the above-mentioned prior art cannot be adjusted conveniently and quickly. When the wheels of the detected car are large, the car is easy to fall out during the detection. When the detected wheels are small, the car wheels are too low, which affects the detection effect. Moreover, after the car detection is completed, the above-mentioned prior art needs to lift the car wheels through a lifting mechanism before the car can be driven away, resulting in the structure of the above-mentioned prior art being relatively complicated. Utility Model Content

[0005] The purpose of the utility model is to provide a detection platform to solve the above problems, which can adjust the spacing of the detection rollers to be suitable for cars with different wheel diameters, and after the detection is completed, there is no need for a lifting mechanism and the car can drive away normally.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: a detection platform includes a detection bottom shell, the bottom inner wall of the detection bottom shell is respectively installed with a device bottom plate, the top outer wall of the device bottom plate is installed with a device base, the device base is rotatably connected with a rotating support plate 1 and a rotating support plate 2, the rotating support plate 1 and the rotating support plate 2 are respectively rotatably connected with a detection roller, a dovetail groove base is fixedly installed on the top outer wall of the device bottom plate, a dovetail slider is slidably clamped on the dovetail groove base, a supporting base is installed on the top outer wall of the dovetail slider, a supporting base is rotatably connected with a support rod on the supporting base, a support shaft 1 is rotatably connected to the rotating support plate 1, a support shaft 2 is rotatably connected to the rotating support plate 2, and the two support rods are respectively connected to the support shaft 1 and the support shaft 2.

[0007] Preferably, in order to enable the car to be driven onto the detection platform, a support frame is installed on the bottom inner wall of the detection bottom shell, and a platform plate is installed on the support frame.

[0008] Preferably, in order to drive the support base to move, support seats are respectively installed on the top outer walls of the bottom plate of the device, and a ball screw is rotatably connected to the support seat. The ball screw is connected to a movable limit plate through a ball nut, and a driven bevel gear is installed at one end of the ball screw.

[0009] Preferably, in order to drive the ball screw to rotate, a supporting shaft plate is respectively installed on the top outer wall of the bottom plate of the device, a rotating main shaft is rotatably connected to the supporting shaft plate, a driven gear is installed on the side wall of the rotating main shaft, and driving bevel gears are respectively installed at both ends of the rotating main shaft, and the driving bevel gear is meshingly connected with the driven bevel gear.

[0010] Preferably, in order to drive the rotating main shaft to rotate, a driving motor is installed on the top outer wall of the detection bottom shell, and the output end of the driving motor is connected to a driving gear, and the driving gear is meshed and connected with the driven gear.

[0011] Preferably, in order to clean the side wall of the detection roller, a scraper strip is installed on one side wall of the rotating support plate 1 and the rotating support plate 2 respectively.

[0012] Preferably, in order to receive the dust scraped off by the scraper strip, a dust collecting box is installed on one side wall of the support rod.

[0013] Preferably, in order to prevent excessive dust from falling onto the gears, a protective cover is installed on the top outer wall of the bottom plate of the device.

[0014] The beneficial effect of the utility model is that the ball screw is driven to rotate by a driving motor, so that the movable limit plate can drive the support base to move, so that the two support rods respectively drive the support shaft one and the support shaft two to move, and then the rotating support plate one and the rotating support plate two are respectively rotated, so that the spacing between the two detection rollers can be changed, which is beneficial for the detection platform to effectively detect cars with different wheel diameters. After the detection is completed, the ball screw can be reversed, so that the movable limit plate returns to its original position, and under the gravity of the car, the detection roller is driven to descend, so that the car wheels directly contact the platform plate, so that the car can drive away directly, and the detection platform can drive the car away without a lifting mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 This is a schematic diagram of the support frame structure of the utility model.

[0017] Figure 3 This is a schematic diagram of the platform plate structure of the utility model.

[0018] Figure 4 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0019] Figure 5 It is a schematic diagram of the enlarged structure of point B of the utility model.

[0020] In the figure: 1. detection bottom shell; 2. device bottom plate; 3. device base; 4. rotating support plate 1; 5. rotating support plate 2; 6. protective cover; 7. detection roller; 8. support shaft 1; 9. support shaft 2; 10. dovetail groove base; 11. dovetail slider; 12. support base; 13. support rod; 14. support seat; 15. ball screw; 16. movable limit plate; 17. driven bevel gear; 18. support shaft plate; 19. rotating main shaft; 20. driving motor; 21. driving gear; 22. driven gear; 23. driving bevel gear; 24. ash box; 25. scraper; 26. support frame; 27. platform plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5As shown, a detection platform includes a detection bottom shell 1, on the bottom inner wall of the detection bottom shell 1, a device bottom plate 2 is respectively installed, on the top outer wall of the device bottom plate 2, a device base 3 is installed, on the device base 3, a rotating support plate 1 4 and a rotating support plate 2 5 are respectively rotatably connected, and the rotating support plate 1 4 and the rotating support plate 2 5 are respectively rotatably connected with a detection roller 7, a dovetail groove base 10 is fixedly installed on the top outer wall of the device bottom plate 2, a dovetail slider 11 is slidably clamped on the dovetail groove base 10, a support base 12 is installed on the top outer wall of the dovetail slider 11, a support rod 13 is rotatably connected to the support base 12, a support shaft 18 is rotatably connected to the rotating support plate 1 4, and a detection roller 7 is rotatably connected to the rotating support plate 2 5. A support shaft 2 9 is provided, and two support rods 13 are connected to the support shaft 1 8 and the support shaft 2 9 respectively. A support frame 26 is installed on the bottom inner wall of the detection bottom shell 1, and a platform plate 27 is installed on the support frame 26. A support seat 14 is installed on the top outer wall of the device bottom plate 2. A ball screw 15 is rotatably connected to the support seat 14. The ball screw 15 is connected to a movable limit plate 16 through a ball nut. A driven bevel gear 17 is installed at one end of the ball screw 15. A support shaft plate 18 is installed on the top outer wall of the device bottom plate 2 respectively. A rotating main shaft 19 is rotatably connected to the support shaft plate 18. A driven gear 22 is installed on the side wall of the rotating main shaft 19. Active bevel gears are installed at both ends of the rotating main shaft 19. 23, and the driving bevel gear 23 is meshed with the driven bevel gear 17, a driving motor 20 is installed on the top outer wall of the detection bottom shell 1, and the output end of the driving motor 20 is connected with the driving gear 21, and the driving gear 21 is meshed with the driven gear 22, the car is driven onto the platform plate 27, and the four wheels are respectively placed between two adjacent detection rollers 7, the driving motor 20 drives the driving gear 21 to rotate, so that the driven gear 22 can drive the rotating spindle 19 to rotate, so that the driven bevel gear 17 drives the ball screw 15 to rotate, and the ball screw 15 drives the movable limit plate 16 to move through the ball nut thereon, so that the movable limit plate 16 can drive the support base 12 to move, and then The support rod 13 is rotated, and the two support rods 13 respectively drive the support shaft 1 8 and the support shaft 2 9 to move, so that the rotating support plate 1 4 and the rotating support plate 2 5 are rotated respectively, so that the distance between the detection rollers 7 on the rotating support plate 1 4 and the rotating support plate 2 5 can be changed, so that cars with different wheel diameters can be tested on the detection platform. After the detection is completed, the drive motor 20 is reversed, so that the ball screw 15 can be reversed, so that the movable limit plate 16 no longer limits the support base 12, and the detection roller 7 is lowered under the action of the gravity of the car, and the car wheels directly contact the platform plate 27, so that the car can drive away directly, so that the detection platform can drive the car away without the need for a lifting mechanism.

[0023] As a technical optimization solution of the utility model, Figure 5As shown, a scraper strip 25 is installed on one side wall of the rotating support plate 1 4 and the rotating support plate 2 5 respectively, and an ash receiving box 24 is installed on one side wall of the support rod 13. During the rotation of the detection roller 7, the scraper strip 25 can scrape off the plaster attached thereto, and the scraped plaster falls into the ash receiving box 24.

[0024] As a technical optimization solution of the utility model, Figure 2 As shown, a protective cover 6 is installed on the top outer wall of the device bottom plate 2, and the protective cover 6 is helpful to prevent excessive dust from falling onto the gears.

[0025] When the utility model is in use, the car is driven onto the platform plate 27, and the four wheels are respectively placed between two adjacent detection rollers 7. The driving motor 20 drives the active gear 21 to rotate, so that the driven gear 22 can drive the rotating main shaft 19 to rotate, so that the driven bevel gear 17 drives the ball screw 15 to rotate, and the ball screw 15 rotates, so that the movable limit plate 16 can drive the support base 12 to move, so that the support rod 13 rotates, and the two support rods 13 respectively drive the support shaft 1 8 and the support shaft 2 9 to move, so that the rotating support plate 1 4 and the rotating support plate 2 5 are rotated respectively, so that the spacing between the detection rollers 7 on the rotating support plate 1 4 and the rotating support plate 2 5 can be changed, which is conducive to the detection platform to effectively detect cars with different wheel diameters. After the detection is completed, the ball screw 15 can be reversed by driving the motor 20 to reverse, so that the movable limit plate 16 returns to its original position and no longer limits the support base 12. Under the gravity of the car, the detection roller 7 is driven to descend, so that the car wheels directly contact the platform plate 27, so that the car can be driven away directly. The detection platform can drive the car away without a lifting mechanism.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A detection platform, Features: The invention comprises a detection bottom shell (1), wherein a device bottom plate (2) is respectively installed on the bottom inner wall of the detection bottom shell (1), a device base (3) is installed on the top outer wall of the device bottom plate (2), a rotation support plate 1 (4) and a rotation support plate 2 (5) are respectively rotatably connected to the device base (3), a detection roller (7) is respectively rotatably connected to the rotation support plate 1 (4) and the rotation support plate 2 (5), and a dovetail groove base (10) is fixedly installed on the top outer wall of the device bottom plate (2) ), a dovetail slider (11) is slidably connected to the dovetail groove base (10), a support base (12) is installed on the top outer wall of the dovetail slider (11), a support rod (13) is rotatably connected to the support base (12), a support shaft (8) is rotatably connected to the rotating support plate one (4), a support shaft (9) is rotatably connected to the rotating support plate two (5), and the two support rods (13) are respectively connected to the support shaft one (8) and the support shaft two (9).

2. A detection platform according to claim 1, Features: A support frame (26) is installed on the inner wall of the bottom of the detection bottom shell (1), and a platform plate (27) is installed on the support frame (26).

3. A detection platform according to claim 1, Features: A support seat (14) is respectively installed on the top outer wall of the device bottom plate (2), and a ball screw (15) is rotatably connected to the support seat (14). The ball screw (15) is connected to a movable limit plate (16) via a ball nut, and a driven bevel gear (17) is installed at one end of the ball screw (15).

4. A detection platform according to claim 3, Features: A supporting rotating shaft plate (18) is respectively installed on the top outer wall of the device bottom plate (2), a rotating main shaft (19) is rotatably connected to the supporting rotating shaft plate (18), a driven gear (22) is installed on the side wall of the rotating main shaft (19), driving bevel gears (23) are respectively installed at both ends of the rotating main shaft (19), and the driving bevel gear (23) is meshingly connected with the driven bevel gear (17).

5. A detection platform according to claim 4, Features: A driving motor (20) is mounted on the top outer wall of the detection bottom shell (1); an output end of the driving motor (20) is connected to a driving gear (21), and the driving gear (21) is meshingly connected to the driven gear (22).

6. A detection platform according to claim 1, Features: A scraper strip (25) is respectively installed on one side wall of the rotating support plate 1 (4) and the rotating support plate 2 (5).

7. A detection platform according to claim 1, Features: An ash receiving box (24) is installed on one side wall of the support rod (13).

8. A detection platform according to claim 1, Features: A protective cover (6) is installed on the top outer wall of the device bottom plate (2).

Images